billionaire

noun

bil·​lion·​aire ˌbi(l)-yə-ˈner 

ˈbi(l)-yə-ˌner

: one whose wealth is estimated at a billion or more dollars, pounds, or other monetary units

Examples of billionaire in a Sentence

Recent Examples on the Web

Nevada politicians singularly focused on financing a ‘world-class’ stadium for a California billionaire. —Michael Hiltzik, Los Angeles Times, 24 Apr. 2024

Channing Tatum takes on the role of a tech billionaire who lures people to his private island in the trailer for Blink Twice, Zoë Kravitz’s directorial debut. —Christy Piña, The Hollywood Reporter, 23 Apr. 2024

Word History

Etymology

billion + -aire (as in millionaire)

First Known Use

1844, in the meaning defined above

Kids Definition

billionaire

noun

bil·​lion·​aire ˌbil-yə-ˈna(ə)r 

-ˈne(ə)r;

ˈbil-yə-ˌna(ə)r,

-ˌne(ə)r

: one whose wealth is a billion dollars or more